1422244423021 has 4 divisors (see below), whose sum is σ = 1423193220000. Its totient is φ = 1421295626044.

The previous prime is 1422244423013. The next prime is 1422244423037. The reversal of 1422244423021 is 1203244422241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1422244423021 - 2³ = 1422244423013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422245423021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474396241 + ... + 474399238.

It is an arithmetic number, because the mean of its divisors is an integer number (355798305000).

Almost surely, 2^{1422244423021} is an apocalyptic number.

It is an amenable number.

1422244423021 is a deficient number, since it is larger than the sum of its proper divisors (948796979).

1422244423021 is an equidigital number, since it uses as much as digits as its factorization.

1422244423021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948796978.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 1422244423021 its reverse (1203244422241), we get a palindrome (2625488845262).

The spelling of 1422244423021 in words is "one trillion, four hundred twenty-two billion, two hundred forty-four million, four hundred twenty-three thousand, twenty-one".